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UPSTREAM: mainboard/google/reef: provide cros_gpio variant API

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Add support for Chrome OS gpio ACPI table information by
providing weak implementation from the baseboard.

BUG=chrome-os-partner:56677
BRANCH=None
TEST=None

Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16422
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>

Change-Id: I517764b78f47fb7b3637482ff9efc053cdd1ac69
Reviewed-on: https://chromium-review.googlesource.com/381737
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Aaron Durbin 2016-09-02 17:50:22 -05:00 • committed by chrome-bot
commit d2b314f170
3 changed files with 21 additions and 6 deletions
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12
src/mainboard/google/reef/chromeos.c
View file

@ -13,6 +13,7 @@
* GNU General Public License for more details.
*/
#include <baseboard/variants.h>
#include <boot/coreboot_tables.h>
#include <ec/google/chromeec/ec.h>
#include <gpio.h>
@ -67,12 +68,11 @@ int get_write_protect_state(void)
return gpio_get(GPIO_PCH_WP);
}
static const struct cros_gpio cros_gpios[] = {
CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, GPIO_COMM_NW_NAME),
CROS_GPIO_WP_AH(PAD_NW(GPIO_PCH_WP), GPIO_COMM_NW_NAME),
};
void mainboard_chromeos_acpi_generate(void)
{
chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios));
const struct cros_gpio *gpios;
size_t num;
gpios = variant_cros_gpios(&num);
chromeos_acpi_gpio_generate(gpios, num);
}

11
src/mainboard/google/reef/variants/baseboard/gpio.c
View file

@ -376,3 +376,14 @@ variant_sleep_gpio_table(size_t *num)
*num = ARRAY_SIZE(sleep_gpio_table);
return sleep_gpio_table;
}
static const struct cros_gpio cros_gpios[] = {
CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, GPIO_COMM_NW_NAME),
CROS_GPIO_WP_AH(PAD_NW(GPIO_PCH_WP), GPIO_COMM_NW_NAME),
};
const struct cros_gpio * __attribute__((weak)) variant_cros_gpios(size_t *num)
{
*num = ARRAY_SIZE(cros_gpios);
return cros_gpios;
}

4
src/mainboard/google/reef/variants/baseboard/include/baseboard/variants.h
View file

@ -18,6 +18,7 @@
#include <soc/gpio.h>
#include <stdint.h>
#include <vendorcode/google/chromeos/chromeos.h>
/* Return the board id for the current variant board. */
uint8_t variant_board_id(void);
@ -28,4 +29,7 @@ const struct pad_config *variant_gpio_table(size_t *num);
const struct pad_config *variant_early_gpio_table(size_t *num);
const struct pad_config *variant_sleep_gpio_table(size_t *num);
/* Return ChromeOS gpio table and fill in number of entries. */
const struct cros_gpio *variant_cros_gpios(size_t *num);
#endif /* BASEBOARD_VARIANTS_H */